JP2015066611A5

JP2015066611A5 -

Info

Publication number: JP2015066611A5
Application number: JP2013201046A
Authority: JP
Filing date: 2013-09-27
Publication date: 2016-11-04

Description

本発明の一態様のアクチュエーターの駆動システムは、複数のアクチュエーターと、前記複数のアクチュエーターのそれぞれに駆動電圧を印加する電圧制御部と、を具備し、前記電圧制御部は、前記複数のアクチュエーターを駆動するための複数桁の駆動用変数を、少なくとも１以上の桁単位であり、前記複数のアクチュエーターのそれぞれに対応した個別駆動用変数に分割する変数分割手段と、前記個別駆動用変数に基づいて、前記駆動電圧に対応する駆動電圧信号を発生させる信号発生手段と、を備えたことを特徴とする。
上記の本発明に係るアクチュエーターの駆動システムは、駆動電圧に応じた駆動量で駆動する複数のアクチュエーターと、前記複数のアクチュエーターのそれぞれに前記駆動電圧を印加する電圧制御部と、を具備し、前記電圧制御部は、前記複数のアクチュエーターによる全駆動量に対応した複数桁の駆動用変数を、少なくとも１以上の桁単位であり、前記複数のアクチュエーターのそれぞれに対応した個別駆動用変数に分割する変数分割手段と、前記複数のアクチュエーターのそれぞれに対して設けられ、前記個別駆動用変数に基づいて、前記駆動電圧に対応する駆動電圧信号を発生させる信号発生手段と、を備えたことを特徴とする。 An actuator drive system according to an aspect of the present invention includes a plurality of actuators and a voltage control unit that applies a drive voltage to each of the plurality of actuators, and the voltage control unit drives the plurality of actuators. Based on the individual driving variables, variable dividing means for dividing the plurality of driving variables for at least one digit unit into individual driving variables corresponding to each of the plurality of actuators, Signal generating means for generating a drive voltage signal corresponding to the drive voltage.
The actuator drive system according to the present invention includes a plurality of actuators that are driven with a drive amount corresponding to a drive voltage, and a voltage controller that applies the drive voltage to each of the plurality of actuators, The voltage control unit is a variable that divides a plurality of digits of driving variables corresponding to the total driving amount by the plurality of actuators into individual driving variables corresponding to each of the plurality of actuators in at least one digit unit. Dividing means and signal generating means provided for each of the plurality of actuators and generating a driving voltage signal corresponding to the driving voltage based on the individual driving variables are provided. .

Claims

And a double the number of actuators,
A voltage control unit for applying a dynamic voltage drive to each of the plurality of actuators,
Comprising
The voltage controller is
A variable dividing means for dividing a plurality of digits of driving variables for driving the plurality of actuators into at least one digit unit and dividing into individual driving variables corresponding to each of the plurality of actuators;
Based on the previous SL individual driving variables, and signal generating means for generating a drive voltage signal corresponding to the driving voltage,
An actuator drive system characterized by comprising:

The actuator drive system according to claim 1,
Wherein the plurality of actuators, the drive system of the actuator, wherein the momentum wheel drive with respect to the drive voltage is different.

The actuator drive system according to claim 2,
The pieces by driving variable is obtained by dividing the driving variable toward the lower digit from the upper digit of the driving variable,
The actuator driving system, wherein the plurality of actuators are associated with the individual driving variables including lower digits of the driving variables as the actuator having a smaller driving amount with respect to the driving voltage.

In the actuator drive system according to claim 2 or 3,
In the voltage control unit, each of the driving voltages corresponding to the individual driving variables has the same value.

The actuator drive system according to claim 4,
The actuator is an electrostatic actuator comprising a pair of drive electrodes provided facing each other,
The actuator driving system, wherein the plurality of actuators have different areas of opposing regions of the pair of driving electrodes.

In the actuator drive system according to any one of claims 2 to 5,
Among the plurality of actuators, in one Position actuator of the two actuators the driving amount closest to said driving voltage, the driving amount at the time of a corresponding said separate driving variable is changed by one step is , the sum of the other in Position actuator, the driving amount and the maximum driving voltage the drive amount during application of when the varying one step of said driving amount closest two actuators for the drive voltage An actuator drive system characterized by comprising:

In the actuator drive system according to any one of claims 1 to 6,
The actuator driving system, wherein the signal generating means is a digital-analog converter.

In the actuator drive system according to any one of claims 1 to 6,
The actuator driving system according to claim 1, wherein the signal generating means is a pulse width modulator that generates a driving voltage signal by performing a pulse width modulation process on a constant voltage.

In the actuator drive system according to any one of claims 1 to 8,
A drive amount detector for detecting the total drive amount of the plurality of actuators ;
The actuator control system, wherein the voltage controller controls the drive voltage based on a detection result of the total drive amount by the drive amount detector.

The actuator drive system according to claim 9,
The drive amount detection unit includes a pair of capacitance detection electrodes facing each other, and detects a capacitance between the capacitance detection electrodes.

A pair of reflective films facing each other;
A plurality of actuators for changing the size of the gap between the pair of reflective films;
A voltage controller for applying a driving voltage to each of the plurality of actuators;
Comprising
The voltage controller is
A variable dividing means for dividing a plurality of digits of driving variables for driving the plurality of actuators into at least one digit unit and dividing into individual driving variables corresponding to each of the plurality of actuators;
Based on the previous SL individual driving variables, the optical module characterized in that and a signal generating means for generating a drive voltage signal corresponding to the driving voltage.

An electronic apparatus comprising the actuator drive system according to claim 1 .

A variable dividing means for dividing a plurality of driving variables for driving a plurality of actuators into a plurality of individual driving variables;
Signal generating means for generating a driving voltage signal for driving each of the plurality of actuators based on the plurality of individual driving variables;
Including
The actuator drive system according to claim 1, wherein the plurality of individual drive variables have at least one digit.